/*
 * MIT License
 *
 * Copyright (c) 2019-2020 JetBrains s.r.o.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */
package org.jetbrains.projector.plugins.markdown.editor

import com.intellij.openapi.editor.Document
import com.intellij.openapi.editor.GenericLineWrapPositionStrategy
import com.intellij.openapi.project.Project
import com.intellij.psi.PsiDocumentManager
import com.intellij.psi.util.PsiTreeUtil
import org.jetbrains.projector.plugins.markdown.lang.psi.impl.*

class MarkdownLineWrapPositionStrategy : GenericLineWrapPositionStrategy() {
  override fun calculateWrapPosition(
    document: Document,
    project: Project?,
    startOffset: Int,
    endOffset: Int,
    maxPreferredOffset: Int,
    allowToBeyondMaxPreferredOffset: Boolean,
    isSoftWrap: Boolean
  ): Int {
    if (project == null) {
      return super.calculateWrapPosition(
        document, project, startOffset, endOffset, maxPreferredOffset, allowToBeyondMaxPreferredOffset,
        isSoftWrap
      )
    }

    val file = PsiDocumentManager.getInstance(project).getPsiFile(document)
               ?: return super.calculateWrapPosition(
                 document, project, startOffset, endOffset, maxPreferredOffset,
                 allowToBeyondMaxPreferredOffset, isSoftWrap
               )


    if (stopSet.any { PsiTreeUtil.findElementOfClassAtOffset(file, startOffset, it, true) != null }) {
      return -1
    }

    return super.calculateWrapPosition(
      document, project, startOffset, endOffset, maxPreferredOffset, allowToBeyondMaxPreferredOffset,
      isSoftWrap
    )
  }

  companion object {
    private val stopSet = setOf(
      MarkdownHeaderImpl::class.java, MarkdownLinkDestinationImpl::class.java,
      MarkdownTableCellImpl::class.java, MarkdownTableRowImpl::class.java, MarkdownTableImpl::class.java
    )
  }
}
